darkcomet | 7eb30df478a285e7aa0f8d20c8b3c7bf55eddc77931ca67342c0dcb94f197960

General

Target

dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe
Size

956KB
MD5

dce157453841e8911fdfb1e23a8951d0
SHA1

7b65ca86d25380b71d293d2463083316b5bf9ebb
SHA256

7eb30df478a285e7aa0f8d20c8b3c7bf55eddc77931ca67342c0dcb94f197960
SHA512

bdd3d089dc4c825972901c3ddf538137193f5141204399ace8fef8a5f90b2db2270df2053af1f71715e590b4430ef5d19f36836feebb6541f59a710876f2ef3a
SSDEEP

24576:4bCLTqKcYRn0uYpOyb6dxiqDU9d1GN2MppjF:UGeb+nHbiqGd1K5

Score

10^/10

darkcomet ligo discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Ligo

C2

ratttyyy.mooo.com:1604

Mutex

DCMIN_MUTEX-NAA2DFN

Attributes

gencode
MHwSurYxMlva
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\winlogon\\Ev8ExglQxOsL.exe\",explorer.exe"	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	winlogon.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe
2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2544	winlogon.exe
Token: SeSecurityPrivilege	2544	winlogon.exe
Token: SeTakeOwnershipPrivilege	2544	winlogon.exe
Token: SeLoadDriverPrivilege	2544	winlogon.exe
Token: SeSystemProfilePrivilege	2544	winlogon.exe
Token: SeSystemtimePrivilege	2544	winlogon.exe
Token: SeProfSingleProcessPrivilege	2544	winlogon.exe
Token: SeIncBasePriorityPrivilege	2544	winlogon.exe
Token: SeCreatePagefilePrivilege	2544	winlogon.exe
Token: SeBackupPrivilege	2544	winlogon.exe
Token: SeRestorePrivilege	2544	winlogon.exe
Token: SeShutdownPrivilege	2544	winlogon.exe
Token: SeDebugPrivilege	2544	winlogon.exe
Token: SeSystemEnvironmentPrivilege	2544	winlogon.exe
Token: SeChangeNotifyPrivilege	2544	winlogon.exe
Token: SeRemoteShutdownPrivilege	2544	winlogon.exe
Token: SeUndockPrivilege	2544	winlogon.exe
Token: SeManageVolumePrivilege	2544	winlogon.exe
Token: SeImpersonatePrivilege	2544	winlogon.exe
Token: SeCreateGlobalPrivilege	2544	winlogon.exe
Token: 33	2544	winlogon.exe
Token: 34	2544	winlogon.exe
Token: 35	2544	winlogon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2544	winlogon.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2544	2372	dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dce157453841e8911fdfb1e23a8951d0_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\Z8blHp3baECGIAQW\winlogon.exe
  "C:\Users\Admin\AppData\Local\Temp\Z8blHp3baECGIAQW\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\Z8blHp3baECGIAQW\winlogon.exe

Filesize
956KB

MD5
dce157453841e8911fdfb1e23a8951d0

SHA1
7b65ca86d25380b71d293d2463083316b5bf9ebb

SHA256
7eb30df478a285e7aa0f8d20c8b3c7bf55eddc77931ca67342c0dcb94f197960

SHA512
bdd3d089dc4c825972901c3ddf538137193f5141204399ace8fef8a5f90b2db2270df2053af1f71715e590b4430ef5d19f36836feebb6541f59a710876f2ef3a

Download Submit
memory/2372-0-0x0000000074771000-0x0000000074772000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2372-2-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2372-36-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-32-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2544-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads